/*#############
## Faction Transfer
#############*/

enum eFactionTransfer
{
    GOSSIP_MENU_FACTION_TRANS       = 500,
    GOSSIP_MENU_FACTION_CONFIRM1    = 501,
    GOSSIP_MENU_FACTION_CONFIRMBOX  = 502,
    SAY_TRANSFER_COMPLETE           = -1999001
};

#define GOSSIP_TEXT_START       "I want to use the Faction Transfer."
#define GOSSIP_TEXT_CONFIRM1    "I am sure about doing this. Please continue."
#define GOSSIP_TEXT_CONFIRM2    "Yes, I wish to continue."
#define GOSSIP_BOX_CONFIRM      "Do you really want to continue? There is no return after this."

class npc_faction_transfer : public CreatureScript
{
public:
    npc_faction_transfer() : CreatureScript("npc_faction_transfer") { }

    bool OnGossipHello(Player* player, Creature* creature)
    {
        if (sWorld->getIntConfig(CONFIG_FACTION_TRANSFER_FACTIONS_ENABLED) & player->GetTeamId() + 1)
        {
            QueryResult result = CharacterDatabase.PQuery("SELECT * FROM character_transfer WHERE guid = '%u'", player->GetGUIDLow());
            if (!result)
                player->ADD_GOSSIP_ITEM(GOSSIP_ICON_CHAT, GOSSIP_TEXT_START, GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF + 1);
        }

        player->SEND_GOSSIP_MENU(GOSSIP_MENU_FACTION_TRANS, creature->GetGUID());
        return true;
    }

    bool OnGossipSelect(Player* player, Creature* creature, uint32 /*sender*/, uint32 action)
    {
        switch(action)
        {
            case GOSSIP_ACTION_INFO_DEF + 1:
                player->ADD_GOSSIP_ITEM(GOSSIP_ICON_CHAT, GOSSIP_TEXT_CONFIRM1, GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF + 2);
                player->SEND_GOSSIP_MENU(GOSSIP_MENU_FACTION_CONFIRM1, creature->GetGUID());
                break;
            case GOSSIP_ACTION_INFO_DEF + 2:
                player->ADD_GOSSIP_ITEM_EXTENDED(0, GOSSIP_TEXT_CONFIRM2, GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF + 3, GOSSIP_BOX_CONFIRM, 0, false);
                player->SEND_GOSSIP_MENU(GOSSIP_MENU_FACTION_CONFIRMBOX, creature->GetGUID());
                break;
            case GOSSIP_ACTION_INFO_DEF + 3:
                player->SetAtLoginFlag(AT_LOGIN_CHANGE_FACTION);
                CharacterDatabase.PExecute("INSERT INTO character_transfer (guid) VALUES (%u)", player->GetGUIDLow());
                player->CLOSE_GOSSIP_MENU();
                DoScriptText(SAY_TRANSFER_COMPLETE, creature, player);
                break;
        }
        return true;
    }
};